Trolley Wire Finder (open access)

Trolley Wire Finder

Patent for a trolley wire finder. This invention to improvements in trolley-wire finders, and more particularly to its attachment to trolley-poles and trolley-harps as a means of assistance in guiding the trolley wheel has been shifted from or slipped off said trolley-wire and is of advantage as a means of saving time." (8-16). Illustration included.
Date: March 8, 1904
Creator: Barnhusrt, William
System: The Portal to Texas History
Governing Mechanism (open access)

Governing Mechanism

Patent for a governing mechanism. This invention relates to governing a plurality of engines in unison. Illustration included.
Date: March 8, 1904
Creator: Ball, Philip De C. & Wakefield, Charles L.
System: The Portal to Texas History
Temporary Binder (open access)

Temporary Binder

Patent for temporary binder. Illustration included.
Date: March 29, 1904
Creator: Exline, Marcus Page
System: The Portal to Texas History
Coffee Urn (open access)

Coffee Urn

Patent for a coffee urn. Illustration included.
Date: March 22, 1904
Creator: Peterman, Bert
System: The Portal to Texas History
Apparatus For Refining Crude Petroleum (open access)

Apparatus For Refining Crude Petroleum

Patent for an apparatus for refining crude petroleum. This invention seeks to process oil containing burned, scorched, or charred particles. Illustration included.
Date: March 15, 1904
Creator: O'Neall, James M.
System: The Portal to Texas History
Apparatus for Cooking by Superheated Steam. (open access)

Apparatus for Cooking by Superheated Steam.

Patent for improvements in apparatus for cooking by using superheated steam. “A boiler which is supported by a fire-box. An oven is mounted on the boiler and provide with a plurality of compartments and ventilators. A drip-pipe, and a pipe connected to the boiler and circulated through the fire-box and extended up to the oven, and provided with a plurality of valves for supplying the compartments of the oven with superheated steam.” (Page 2, line 25-34) Illustration is included.
Date: March 22, 1904
Creator: Harrington, David
System: The Portal to Texas History